Home / 27,766.37-38,277.72-19,794.76

Finding the Fourth Proportional to 27,766.37, 38,277.72 and 19,794.76

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Solution

The fourth proportional to 27,766.37, 38,277.72 and 19,794.76 is: 27,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.37 : 38,277.72 = 19,794.76 : x
  2. Step 2: Convert to fraction form
    27,766.37/38,277.72 = 19,794.76/x
  3. Step 3: Cross multiply
    27,766.37x = 38,277.72 × 19,794.76
  4. Step 4: Simplify right side
    27,766.37x = 757,698,185.05
  5. Step 5: Solve for x
    x = 757,698,185.05/27,766.37
  6. Step 6: Final answer
    x = 27,288.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.